KEY POINTS
  • One of the key reasons behind the U.S.'s trade war with China is the desire to get ahead in 5G.
  • The technology is seen as a backbone from everything from driverless cars to future cities. 
  • America and China are in a race to become the leader in 5G and set the standards that will define the next generation of mobile internet. 
US President Donald Trump (L) and China's President Xi Jinping shake hands at a press conference following their meeting outside the Great Hall of the People in Beijing.

Trade tensions between the U.S. and China escalated Friday after months of threats over billions of dollars of tariffs.

While products from soybeans to cars will likely get wrapped up in the spat, a key technology could actually be one of the main drivers behind why the world's largest economies have started a trade war.